Feature 1Can be replaced to use, can be rotated forwards and backwards, has the functions of shaping, removing nail polish, removing dead skin, carving radian, etc., and is convenient to use. 2It can meet the needs of different nail art, and can be used for manicure, nail polishing and grinding. 3Hard tungsten steel nail drill bits are perfect nail tools for various professional tasks (such as engraving, grinding, sharpening, polishing, etc.). 4The universal 2.35mm nail drill bit handle diameter is suitable for most nail drill machine on the market. 5Adopts quality tungsten steel material, safe and wearresistant, durable, suitable for home use and nail salon.Condition: 100% Brand New Item Type: Nail Grinding Head SetMaterial: Tungsten SteelShank Diameter: Approx. 2.35mm / 0.1inFeatures: Used for manicure, nail polishing, nail salon, foot care, pedicure, nail polish removal, etc. to be used with nail polishers.Application: Home, nail salon, etc.Size: As Shown in the Pictures Package List 1 x Nail Drill BitNote1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.